CN113774864B - Hoisting method for reverse insertion component installation - Google Patents
Hoisting method for reverse insertion component installation Download PDFInfo
- Publication number
- CN113774864B CN113774864B CN202111042530.9A CN202111042530A CN113774864B CN 113774864 B CN113774864 B CN 113774864B CN 202111042530 A CN202111042530 A CN 202111042530A CN 113774864 B CN113774864 B CN 113774864B
- Authority
- CN
- China
- Prior art keywords
- web member
- welding
- hoisting
- lifting lug
- positioning device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009434 installation Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003780 insertion Methods 0.000 title claims abstract description 10
- 230000037431 insertion Effects 0.000 title claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 40
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 210000001503 joint Anatomy 0.000 claims abstract description 5
- 238000013461 design Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 102220625795 Sulfotransferase 2B1_I20A_mutation Human genes 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/02—Making or lining canals
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a hoisting method for mounting a reverse insertion component, which comprises the following steps: processing and manufacturing a hoisting tool: processing and blanking according to a design drawing, performing assembly welding, ensuring that a welding line is full-length welding during welding, and performing fillet welding at the end part; welding the web member lifting lug: welding a web member lifting lug on a web member, and accurately setting out the web member lifting lug according to the installation angle of the web member to ensure that the web member lifting lug is on the plumb line of the center of the web member; welding a butt joint positioning device: welding a positioning device when the web member is pre-assembled; hoisting the web member to be in place initially; the web member is connected with the positioning device in a matching way. The invention greatly saves the workload of site construction, avoids welding a plurality of hoisting points on the main component and well protects the finished product of the component.
Description
Technical Field
The invention belongs to the technical field of civil construction, and particularly relates to a hoisting method for mounting a reverse insertion component.
Background
The steel structure has the characteristics of light self weight, high working reliability, good earthquake resistance and impact resistance and the like, various structural forms with attractive shapes can be designed, and landscape structures which are suitable for cities and have attractive appearances are built so as to adapt to the gradual development of bridge structures and achieve harmony and unity with the nature. However, the complex structure will bring certain difficulties to the construction and production, and the corresponding installation scheme and installation process need to be designed according to the specific structure in the installation and construction process.
For example, the general canal steel aqueduct engineering of the vessel is in a beam arch combined structure form, the component form is complex, and the joint connection of various forms can appear during the installation. According to the division and installation sequence of the main truss sections of the steel aqueduct, two butt joints of the web member are respectively on the upper chord of the previous section and the lower chord of the section, the upper part of the web member has no space of a hoisting hook head, and the hoisting operation can not be effectively finished by the existing hoisting method.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a hoisting method for mounting a reverse insertion component.
The specific technical scheme of the invention is as follows:
a hoisting method for mounting a reverse insertion component,
the method comprises the following steps:
processing and manufacturing a hoisting tool: processing and blanking according to a design drawing, and performing assembly welding, wherein during welding, a welding seam is ensured to be full-length welding, and fillet welding is performed at the end part;
welding the web member lifting lug: welding a web member lifting lug on a web member, and accurately setting out the web member lifting lug according to the installation angle of the web member to ensure that the web member lifting lug is on the plumb line of the center of the web member;
welding a butt joint positioning device: welding a positioning device when the web member is pre-assembled;
the web member is hoisted to be in place initially: hooking a hoisting tool, wherein the hoisting tool sequentially comprises a chain block and a web member to be installed, slowly moving to an installation position after hooking, sleeving an upper chord overhanging part into a square-shaped structure of the hoisting tool, aligning the web member to be above the installation position, keeping the web member still, and putting the web member to be accurately positioned by operating the chain block;
the web member is connected with the positioning device in a matching way: after the web member is placed at the accurate position, the matching device at the joint is connected through the bolt, the gap between the upper joint and the lower joint is adjusted, the uniform gap at the two ends is ensured, the misalignment amount meets the standard requirement, the chain block is continuously placed, and the hook is unhooked to finish the hoisting operation.
As an optimal technical scheme, the hoisting tool comprises a square-shaped structure, first lifting lugs are arranged on two sides of the square-shaped structure respectively and used for connecting a steel wire rope of hoisting equipment, and a chain block is arranged at the bottom of the square-shaped structure.
As the preferred technical scheme, in the initial position of the web member hoisting, the hoisting tool is directly hooked by the hoisting trolley.
As an optimal technical scheme, the hoisting tool is prepared by adopting the industrial steel.
Has the advantages that:
the invention greatly saves the workload of site construction, avoids welding a plurality of hoisting points on the main component and well protects the finished product of the component.
The invention saves the installation labor and equipment cost and reduces the secondary treatment cost of component damage.
The invention can realize one-time hoisting in place, saves the time and cost of construction and greatly accelerates the construction progress.
The invention minimizes the installation risk.
The invention solves the installation problem of the similar component of the full bridge through a tool, and has strong reusability and simple manufacture and maintenance.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a flow chart in an embodiment of the present invention.
Fig. 2 is a diagram of web lifting lug positions in an embodiment of the invention.
Fig. 3 is a schematic view of a hoisting tool in the embodiment of the invention.
Figure 4 is a force diagram of a lifting member in an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions such as "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention will now be further described with reference to the accompanying drawings.
The embodiment of the invention relates to a hoisting method for installing a reverse plug component, which is shown in figure 1 and comprises the following steps:
processing and manufacturing a hoisting tool: processing and blanking according to a design drawing, and performing assembly welding, wherein during welding, a welding seam is ensured to be full-length welding, and fillet welding is performed at the end part;
in the embodiment of the invention, as shown in fig. 3, the hoisting tool comprises a square structure, two sides of the square structure are respectively provided with a first lifting lug, the first lifting lugs are used for connecting a steel wire rope of hoisting equipment, and the bottom of the square structure is provided with a chain block. The square-shaped structure is composed of a main beam, a vertical support and a transverse support, wherein the main beam is made of I-shaped steel I20A, and the vertical support and the transverse support are made of I-shaped steel I10.
The hoisting tool is made of materials which cannot be rusted seriously, blanking processing is carried out according to the drawing size, the edges are polished to be qualified and then are assembled and welded, all welding parts are fillet welds of 8mm in full welding, and appearance defects cannot exist.
Welding the web member lifting lug: welding a web member lifting lug on a web member, wherein as shown in fig. 2, the web member lifting lug is accurately laid out according to the installation angle of the web member, and is ensured to be on the plumb line of the center of the web member;
welding a butt joint positioning device: welding a positioning device when the web member is pre-assembled;
the web member is hoisted to be in place initially: hooking a hoisting tool, wherein the hoisting tool sequentially comprises a chain block and a web member to be installed, slowly moving to an installation position after hooking, sleeving an upper chord overhanging part into a square-shaped structure of the hoisting tool, aligning the web member to be above the installation position, keeping the web member still, and putting the web member to be accurately positioned by operating the chain block;
the web member is connected with the positioning device in a matching way: after the web member is placed at the accurate position of the web member, the web member is connected with the matching device at the interface through the bolt, the gap between the web member and the interface is adjusted, the uniform gap at two ends is ensured, the misalignment amount meets the standard requirement, then the chain block is continuously placed, and the hook is unhooked to complete the hoisting operation.
In the embodiment of the invention, the web member stress diagram is shown in fig. 4, the hoisting tool size is shown in fig. 3, for example, the maximum weight of the hoisting member is 45KN, and the main beam is made of I20A I-steel.
W X ＝237×10mm 3 ；
M＝22.5×2＝45KN.M ；
Through calculation, the main structure of the tool is safe, and in order to reduce the dead weight of the tool, the tool is designed and manufactured in a relatively small section mode on the premise of ensuring the construction safety.
In conclusion, the invention greatly reduces the installation time of the components, improves the installation efficiency and reduces the installation cost.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (4)
1. A hoisting method for mounting a reverse insertion component is characterized in that:
the method comprises the following steps:
processing and manufacturing a hoisting tool: processing and blanking according to a design drawing, and performing assembly welding, wherein during welding, a welding seam is ensured to be full-length welding, and fillet welding is performed at the end part;
welding the web member lifting lug: welding a web member lifting lug on a web member, and accurately setting out the web member lifting lug according to the installation angle of the web member to ensure that the web member lifting lug is on the plumb line of the center of the web member;
welding a butt joint positioning device: welding a positioning device when the web member is pre-assembled;
the web member is hoisted to be in place initially: hooking a hoisting tool, wherein the hoisting tool sequentially comprises a chain block and a web member to be installed, slowly moving to an installation position after hooking, sleeving an upper chord overhanging part into a square-shaped structure of the hoisting tool, aligning the web member to be above the installation position, keeping the web member still, and putting the web member to be accurately positioned by operating the chain block;
the web member is connected with the positioning device in a matching way: after the web member is placed at the accurate position, the matching device at the joint is connected through the bolt, the gap between the upper joint and the lower joint is adjusted, the uniform gap at the two ends is ensured, the misalignment amount meets the standard requirement, the chain block is continuously placed, and the hook is unhooked to finish the hoisting operation.
2. The hoisting method for reverse inverted insertion component installation according to claim 1, wherein the hoisting method comprises the following steps: the hoisting tool comprises a square-shaped structure, two sides of the square-shaped structure are respectively provided with a first lifting lug, the first lifting lugs are used for connecting a steel wire rope of hoisting equipment, and the bottom of the square-shaped structure is provided with a chain block.
3. The hoisting method for reverse inverted insertion component installation according to claim 1, wherein the hoisting method comprises the following steps: and in the step, the web member is hoisted in place initially, and the hoisting tool is directly hooked by the hoisting trolley.
4. The hoisting method for reverse inverted insertion component installation according to claim 2, wherein: the hoisting tool is made of I-shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111042530.9A CN113774864B (en) | 2021-09-07 | 2021-09-07 | Hoisting method for reverse insertion component installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111042530.9A CN113774864B (en) | 2021-09-07 | 2021-09-07 | Hoisting method for reverse insertion component installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113774864A CN113774864A (en) | 2021-12-10 |
| CN113774864B true CN113774864B (en) | 2022-08-30 |
Family
ID=78841427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111042530.9A Active CN113774864B (en) | 2021-09-07 | 2021-09-07 | Hoisting method for reverse insertion component installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113774864B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3342656A (en) * | 1962-12-17 | 1967-09-19 | Theodore Houben Sa Ets | Method of splicing belt ends in forming an endless belt |
| US3509302A (en) * | 1966-12-22 | 1970-04-28 | Foster Wheeler Corp | Apparatus for welding circumferential seams |
| CN102556835A (en) * | 2012-02-08 | 2012-07-11 | 中铁大桥局集团第五工程有限公司 | Suspender capable of adjusting spatial angle of rod member of steel truss bridge |
| CN111332936A (en) * | 2020-03-31 | 2020-06-26 | 中国五冶集团有限公司 | Manufacturing method of shoulder pole for hoisting simple shaped steel column die |
-
2021
- 2021-09-07 CN CN202111042530.9A patent/CN113774864B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3342656A (en) * | 1962-12-17 | 1967-09-19 | Theodore Houben Sa Ets | Method of splicing belt ends in forming an endless belt |
| US3509302A (en) * | 1966-12-22 | 1970-04-28 | Foster Wheeler Corp | Apparatus for welding circumferential seams |
| CN102556835A (en) * | 2012-02-08 | 2012-07-11 | 中铁大桥局集团第五工程有限公司 | Suspender capable of adjusting spatial angle of rod member of steel truss bridge |
| CN111332936A (en) * | 2020-03-31 | 2020-06-26 | 中国五冶集团有限公司 | Manufacturing method of shoulder pole for hoisting simple shaped steel column die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113774864A (en) | 2021-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103410322B (en) | The parallel Truss Steel corridor construction method of large span | |
| CN106480823B (en) | Vaulted beam device and its localization method | |
| CN113982280A (en) | Construction method of complex space truss integral hoisting system | |
| CN108316557B (en) | V-shaped circular tube column structure and mounting method thereof | |
| CN103174302A (en) | Construction method for large-diameter barrel cabin top | |
| CN114215170B (en) | Lifting method for ultrahigh-altitude giant-suspension multilayer conjoined structure | |
| CN111255138B (en) | Construction method of continuous multi-span large-span high-altitude aluminum alloy latticed shell structure | |
| CN105926855A (en) | Super-high-rise core tube suspended steel rib column and construction method thereof | |
| CN113774864B (en) | Hoisting method for reverse insertion component installation | |
| CN109779007A (en) | Vestibule installation method and vestibule | |
| CN103495793A (en) | Improved construction method for hoisting and welding large-tonnage cast steel component complex joints | |
| CN109607399A (en) | A kind of hoisting for installing roof rack | |
| CN107419665B (en) | Large-span steel beam hoisting sling and steel beam hoisting method thereof | |
| CN113982281A (en) | Super-tonnage space truss lifting and reinforcing structure and construction method thereof | |
| CN209686923U (en) | Round tube combined support device and steel construction temporary construction support device | |
| CN102425269A (en) | Board girder capable of hanging weights and construction method thereof | |
| CN204504600U (en) | For assistance platform and the bracing or strutting arrangement thereof of the welding of jack up drilling platform spud leg | |
| CN112240006A (en) | Construction method for constructing large-span non-support steel box girder by cantilever process | |
| CN110409840B (en) | Roof truss hoisting method | |
| CN209924407U (en) | Combined working platform for steel structure high-altitude installation | |
| CN114108499A (en) | Suspended casting beam reference section hinged type triangular bracket combined hanging basket integrated device and construction method thereof | |
| CN105544402A (en) | Suspended combined formwork supporting frame used for high pier bent cap and construction method | |
| CN218786507U (en) | Special lifting appliance for large-tonnage steel truss girder cable-spanning lifting of mountain railway suspension bridge | |
| CN213742226U (en) | Climb supplementary bearing structure of frame and climb frame | |
| CN113333991B (en) | Assembling and installing method for converter shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231101 Address after: Room 1809, 18th Floor, CBD Insurance Building, No. 227 Tuanjie Road (North), Yuehaiwan Central Business District, Jinfeng District, Yinchuan City, Ningxia Hui Autonomous Region, 750011 Patentee after: China Railway Construction Bridge Engineering Bureau Group Northwest Engineering Co.,Ltd. Address before: No. 32, Zhonghuan West Road, Tianjin pilot free trade zone (Airport Economic Zone), Dongli District, Tianjin 300300 Patentee before: CHINA RAILWAY CONSTRUCTION BRIDGE ENGINEERING BUREAU GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |